Born in Hamburg, Klaus Grünberg studied set design with Erich Wonder in Vienna and has worked as a freelance set and lighting designer for opera and theatre in Europe, Buenos Aires and Kuwait City. For a long time he has been working with directors Tatjana Gürbaca and Barrie Kosky, including at Komische Oper Berlin, Royal Opera House London, Zurich Opera House, Schauspiel und Oper Frankfurt and many others. He has a regular collaboration with the composer and director Heiner Goebbels. At Théâtre de Vidy-Lausanne and the Ruhrtriennale Festival, they created music theatre productions that toured worldwide. 1999 he opened MOMOLMA (Museum of More or Less Modern Art) in Hamburg.